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package org.json.junit;
import static org.junit.Assert.*;
import java.util.*;
import org.json.*;
import org.junit.Test;
/**
* Tests for JSON-Java JSONArray.java
*/
public class JSONArrayTest {
String arrayStr =
"["+
"true,"+
"false,"+
"\"true\","+
"\"false\","+
"\"hello\","+
"23.45e-4,"+
"\"23.45\","+
"42,"+
"\"43\","+
"["+
"\"world\""+
"],"+
"{"+
"\"key1\":\"value1\","+
"\"key2\":\"value2\","+
"\"key3\":\"value3\","+
"\"key4\":\"value4\""+
"},"+
"0,"+
"\"-1\""+
"]";
@Test(expected=NullPointerException.class)
public void nullException() {
String str = null;
new JSONArray(str);
}
@Test(expected=JSONException.class)
public void emptStr() {
String str = "";
new JSONArray(str);
}
@Test(expected=JSONException.class)
public void badObject() {
String str = "abc";
new JSONArray((Object)str);
}
@Test
public void getArrayValues() {
JSONArray jsonArray = new JSONArray(arrayStr);
assertTrue("Array true",
true == jsonArray.getBoolean(0));
assertTrue("Array false",
false == jsonArray.getBoolean(1));
assertTrue("Array string true",
true == jsonArray.getBoolean(2));
assertTrue("Array string false",
false == jsonArray.getBoolean(3));
assertTrue("Array double",
new Double(23.45e-4).equals(jsonArray.getDouble(5)));
assertTrue("Array string double",
new Double(23.45).equals(jsonArray.getDouble(6)));
assertTrue("Array value int",
new Integer(42).equals(jsonArray.getInt(7)));
assertTrue("Array value string int",
new Integer(43).equals(jsonArray.getInt(8)));
JSONArray nestedJsonArray = jsonArray.getJSONArray(9);
assertTrue("Array value JSONArray", nestedJsonArray != null);
JSONObject nestedJsonObject = jsonArray.getJSONObject(10);
assertTrue("Array value JSONObject", nestedJsonObject != null);
assertTrue("Array value long",
new Long(0).equals(jsonArray.getLong(11)));
assertTrue("Array value string long",
new Long(-1).equals(jsonArray.getLong(12)));
assertTrue("Array value string",
"hello".equals(jsonArray.getString(4)));
assertTrue("Array value null", jsonArray.isNull(-1));
}
@Test
public void failedGetArrayValues() {
int tryCount = 0;
int exceptionCount = 0;
JSONArray jsonArray = new JSONArray(arrayStr);
try {
tryCount++;
jsonArray.getBoolean(4);
assertTrue("expected getBoolean to fail", false);
} catch (JSONException ignored) { exceptionCount++; }
try {
tryCount++;
jsonArray.get(-1);
assertTrue("expected get to fail", false);
} catch (JSONException ignored) { exceptionCount++; }
try {
tryCount++;
jsonArray.getDouble(4);
assertTrue("expected getDouble to fail", false);
} catch (JSONException ignored) { exceptionCount++; }
try {
tryCount++;
jsonArray.getInt(4);
assertTrue("expected getInt to fail", false);
} catch (JSONException ignored) { exceptionCount++; }
try {
tryCount++;
jsonArray.getJSONArray(4);
assertTrue("expected getJSONArray to fail", false);
} catch (JSONException ignored) { exceptionCount++; }
try {
tryCount++;
jsonArray.getJSONObject(4);
assertTrue("expected getJSONObject to fail", false);
} catch (JSONException ignored) { exceptionCount++; }
try {
tryCount++;
jsonArray.getLong(4);
assertTrue("expected getLong to fail", false);
} catch (JSONException ignored) { exceptionCount++; }
try {
tryCount++;
jsonArray.getString(5);
assertTrue("expected getString to fail", false);
} catch (JSONException ignored) { exceptionCount++; }
assertTrue("tryCount should match exceptionCount",
tryCount == exceptionCount);
}
@Test
public void join() {
String expectedStr =
"["+
"true,"+
"false,"+
"\"true\","+
"\"false\","+
"\"hello\","+
"0.002345,"+
"\"23.45\","+
"42,"+
"\"43\","+
"["+
"\"world\""+
"],"+
"{"+
"\"key1\":\"value1\","+
"\"key2\":\"value2\","+
"\"key3\":\"value3\","+
"\"key4\":\"value4\""+
"},"+
"0,"+
"\"-1\""+
"]";
JSONArray jsonArray = new JSONArray(arrayStr);
String joinStr = jsonArray.join(",");
JSONArray finalJsonArray = new JSONArray("["+joinStr+"]");
JSONArray expectedJsonArray = new JSONArray(expectedStr);
Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
Util.compareActualVsExpectedJsonArrays(finalJsonArray, expectedJsonArray);
}
@Test
public void length() {
assertTrue("expected empty JSONArray length 0",
new JSONArray().length() == 0);
JSONArray jsonArray = new JSONArray(arrayStr);
assertTrue("expected JSONArray length 13", jsonArray.length() == 13);
JSONArray nestedJsonArray = jsonArray.getJSONArray(9);
assertTrue("expected JSONArray length 1", nestedJsonArray.length() == 1);
}
@Test
public void opt() {
JSONArray jsonArray = new JSONArray(arrayStr);
assertTrue("Array opt value true",
Boolean.TRUE == jsonArray.opt(0));
assertTrue("Array opt value out of range",
null == jsonArray.opt(-1));
assertTrue("Array opt boolean",
Boolean.TRUE == jsonArray.optBoolean(0));
assertTrue("Array opt boolean default",
Boolean.FALSE == jsonArray.optBoolean(-1, Boolean.FALSE));
assertTrue("Array opt boolean implicit default",
Boolean.FALSE == jsonArray.optBoolean(-1));
assertTrue("Array opt double",
new Double(23.45e-4).equals(jsonArray.optDouble(5)));
assertTrue("Array opt double default",
new Double(1).equals(jsonArray.optDouble(0, 1)));
assertTrue("Array opt double default implicit",
new Double(jsonArray.optDouble(99)).isNaN());
assertTrue("Array opt int",
new Integer(42).equals(jsonArray.optInt(7)));
assertTrue("Array opt int default",
new Integer(-1).equals(jsonArray.optInt(0, -1)));
assertTrue("Array opt int default implicit",
0 == jsonArray.optInt(0));
JSONArray nestedJsonArray = jsonArray.optJSONArray(9);
assertTrue("Array opt JSONArray", nestedJsonArray != null);
assertTrue("Array opt JSONArray default",
null == jsonArray.optJSONArray(99));
JSONObject nestedJsonObject = jsonArray.optJSONObject(10);
assertTrue("Array opt JSONObject", nestedJsonObject != null);
assertTrue("Array opt JSONObject default",
null == jsonArray.optJSONObject(99));
assertTrue("Array opt long",
0 == jsonArray.optLong(11));
assertTrue("Array opt long default",
-2 == jsonArray.optLong(-1, -2));
assertTrue("Array opt long default implicit",
0 == jsonArray.optLong(-1));
assertTrue("Array opt string",
"hello".equals(jsonArray.optString(4)));
assertTrue("Array opt string default implicit",
"".equals(jsonArray.optString(-1)));
}
@Test
public void put() {
String expectedStr =
"["+
"true,"+
"false,"+
"["+
"hello,"+
"world"+
"],"+
"2.5,"+
"1,"+
"45,"+
"\"objectPut\","+
"{"+
"\"key10\":\"val10\","+
"\"key20\":\"val20\","+
"\"key30\":\"val30\""+
"},"+
"{"+
"\"k1\":\"v1\""+
"},"+
"["+
"1,"+
"2"+
"]"+
"]";
JSONArray jsonArray = new JSONArray();
JSONArray expectedJsonArray = new JSONArray(expectedStr);
// index 0
jsonArray.put(true);
// 1
jsonArray.put(false);
String jsonArrayStr =
"["+
"hello,"+
"world"+
"]";
// 2
jsonArray.put(new JSONArray(jsonArrayStr));
// 3
jsonArray.put(2.5);
// 4
jsonArray.put(1);
// 5
jsonArray.put(45L);
// 6
jsonArray.put("objectPut");
String jsonObjectStr =
"{"+
"\"key10\":\"val10\","+
"\"key20\":\"val20\","+
"\"key30\":\"val30\""+
"}";
JSONObject jsonObject = new JSONObject(jsonObjectStr);
// 7
jsonArray.put(jsonObject);
Map<String, Object> map = new HashMap<String, Object>();
map.put("k1", "v1");
// 8
jsonArray.put(map);
Collection<Object> collection = new ArrayList<Object>();
collection.add(1);
collection.add(2);
// 9
jsonArray.put(collection);
Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
}
@Test
public void putIndex() {
String expectedStr =
"["+
"true,"+
"false,"+
"["+
"hello,"+
"world"+
"],"+
"2.5,"+
"1,"+
"45,"+
"\"objectPut\","+
"null,"+
"{"+
"\"key10\":\"val10\","+
"\"key20\":\"val20\","+
"\"key30\":\"val30\""+
"},"+
"["+
"1,"+
"2"+
"],"+
"{"+
"\"k1\":\"v1\""+
"},"+
"]";
JSONArray jsonArray = new JSONArray();
JSONArray expectedJsonArray = new JSONArray(expectedStr);
// 1
jsonArray.put(1, false);
// index 0
jsonArray.put(0, true);
String jsonArrayStr =
"["+
"hello,"+
"world"+
"]";
// 2
jsonArray.put(2, new JSONArray(jsonArrayStr));
// 5
jsonArray.put(5, 45L);
// 4
jsonArray.put(4, 1);
// 3
jsonArray.put(3, 2.5);
// 6
jsonArray.put(6, "objectPut");
// 7 will be null
String jsonObjectStr =
"{"+
"\"key10\":\"val10\","+
"\"key20\":\"val20\","+
"\"key30\":\"val30\""+
"}";
JSONObject jsonObject = new JSONObject(jsonObjectStr);
jsonArray.put(8, jsonObject);
Collection<Object> collection = new ArrayList<Object>();
collection.add(1);
collection.add(2);
jsonArray.put(9,collection);
Map<String, Object> map = new HashMap<String, Object>();
map.put("k1", "v1");
jsonArray.put(10, map);
try {
jsonArray.put(-1, "abc");
assertTrue("put index < 0 should have thrown exception", false);
} catch(Exception ignored) {}
Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
}
@Test
public void remove() {
String arrayStr =
"["+
"1"+
"]";
JSONArray jsonArray = new JSONArray(arrayStr);
JSONArray expectedJsonArray = new JSONArray();
jsonArray.remove(0);
assertTrue("array should be empty", null == jsonArray.remove(5));
Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
}
@Test
public void notSimilar() {
String arrayStr =
"["+
"1"+
"]";
JSONArray jsonArray = new JSONArray(arrayStr);
JSONArray otherJsonArray = new JSONArray();
assertTrue("arrays lengths differ", !jsonArray.similar(otherJsonArray));
JSONObject jsonObject = new JSONObject("{\"k1\":\"v1\"}");
JSONObject otherJsonObject = new JSONObject();
jsonArray = new JSONArray();
jsonArray.put(jsonObject);
otherJsonArray = new JSONArray();
otherJsonArray.put(otherJsonObject);
assertTrue("arrays JSONObjects differ", !jsonArray.similar(otherJsonArray));
JSONArray nestedJsonArray = new JSONArray("[1, 2]");
JSONArray otherNestedJsonArray = new JSONArray();
jsonArray = new JSONArray();
jsonArray.put(nestedJsonArray);
otherJsonArray = new JSONArray();
otherJsonArray.put(otherNestedJsonArray);
assertTrue("arrays nested JSONArrays differ",
!jsonArray.similar(otherJsonArray));
jsonArray = new JSONArray();
jsonArray.put("hello");
otherJsonArray = new JSONArray();
otherJsonArray.put("world");
assertTrue("arrays values differ",
!jsonArray.similar(otherJsonArray));
}
@Test
public void toJSONObject() {
JSONArray names = new JSONArray();
JSONArray jsonArray = new JSONArray();
assertTrue("toJSONObject should return null",
null == jsonArray.toJSONObject(names));
}
@Test
public void objectArrayVsIsArray() {
String expectedStr =
"["+
"1,2,3,4,5,6,7"+
"]";
int[] myInts = { 1, 2, 3, 4, 5, 6, 7 };
Object myObject = myInts;
JSONArray jsonArray = new JSONArray(myObject);
JSONArray expectedJsonArray = new JSONArray(expectedStr);
Util.compareActualVsExpectedJsonArrays(jsonArray, expectedJsonArray);
}
@Test
public void iterator() {
JSONArray jsonArray = new JSONArray(arrayStr);
Iterator<Object> it = jsonArray.iterator();
assertTrue("Array true",
Boolean.TRUE.equals(it.next()));
assertTrue("Array false",
Boolean.FALSE.equals(it.next()));
assertTrue("Array string true",
"true".equals(it.next()));
assertTrue("Array string false",
"false".equals(it.next()));
assertTrue("Array string",
"hello".equals(it.next()));
assertTrue("Array double",
new Double(23.45e-4).equals(it.next()));
assertTrue("Array string double",
new Double(23.45).equals(Double.parseDouble((String)it.next())));
assertTrue("Array value int",
new Integer(42).equals(it.next()));
assertTrue("Array value string int",
new Integer(43).equals(Integer.parseInt((String)it.next())));
JSONArray nestedJsonArray = (JSONArray)it.next();
assertTrue("Array value JSONArray", nestedJsonArray != null);
JSONObject nestedJsonObject = (JSONObject)it.next();
assertTrue("Array value JSONObject", nestedJsonObject != null);
assertTrue("Array value long",
new Long(0).equals(((Number) it.next()).longValue()));
assertTrue("Array value string long",
new Long(-1).equals(Long.parseLong((String) it.next())));
assertTrue("should be at end of array", !it.hasNext());
}
}